Fundz

Act Security, a cyber startup founded by Medigate's team, secured $40 million in a Series A funding round led by Notable Capital, bringing total funding to $60 million.

PRIVATEDec 29, 2025

Amount Raised

$40 Million

Round Type

Series A

Tel AvivSecurityCyber SecurityNetwork Security

Investors

StartpointBessemer Venture PartnersTeam8Hetz VenturesBrightmindNotable Capital

Description

Act Security has raised $40 million in a Series A round just four months after a $20 million Seed round, totaling $60 million in funding since inception. The latest funding aims to enhance the company's platform for securing cloud infrastructure and data centers. Act Security was co-founded by former Medigate executives and has rapidly grown to 30 employees. The Series A round saw participation from various investors, including Bessemer Venture Partners and Team8.

Quick answer

Act Security raised $40 Million in a Series A round, dated December 29, 2025. Investors: Startpoint, Bessemer Venture Partners, Team8, Hetz Ventures, Brightmind and Notable Capital. Act Security is based in Tel Aviv, Tel Aviv District, Israel.

How much did Act Security raise?
Act Security raised $40 Million in a Series A round on December 29, 2025.
Who invested in Act Security?
Startpoint, Bessemer Venture Partners, Team8, Hetz Ventures, Brightmind and Notable Capital are named as investors in this round.
What does Act Security do?
Act Security is a startup developing a platform for securing cloud infrastructure and data centers.
Where is Act Security based and how big is it?
Act Security is based in Tel Aviv, Tel Aviv District, Israel. Fundz records about 47 employees.
Who are the decision-makers at Act Security?
Fundz holds 1 contact at Act Security. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in Security and Cyber Security around the same time

Companies in the same sectors as Act Security that raised within 45 days of this round, from Fundz verified event records.

  • GitGuardian raised $50M (Series C) on February 11, 2026.
  • Clearly AI raised $8.4M (Seed) on February 10, 2026.
  • Lema raised $18M (Series A) on February 9, 2026.
  • Aisy raised $2.3M (Seed) on February 2, 2026.
  • IntelliGRC raised $3.5M (Seed) on January 31, 2026.
  • Rein Security raised $8M (Seed) on January 28, 2026.

Who to call at Act Security, and when

A new round usually means Act Security is about to hire and buy. The teams that reach out first get the meeting.

  • An alert the day Act Security raises, hires an executive or expands, scored against what you sell
  • The decision-makers there, with verified emails
  • Who you already know at Act Security, from your own LinkedIn network

Works inside ChatGPT and Claude. Ask who to call at Act Security. With Fundz connected, it knows.

Watch Fundz in
See plan options
Trusted byOracleSnowflakeCloudflareLinkedInGoogleSalesforce 4.8/5 on G2

Company Information

Company

Act Security

Location

Tel Aviv, Tel Aviv District, Israel

About

Act Security is a startup developing a platform for securing cloud infrastructure and data centers. Founded by the team behind Medigate, the company has quickly raised $60 million in funding within months of its launch. Act Security currently employs 30 people and aims to address critical security challenges in the cyber landscape.

AI made execution free. Knowing first is the whole game now.

Fundz sees it the moment Act Security raises, hires an exec or expands, usually minutes after it happens, and tells you who to reach.

Related People

1 contact
Predictive Intelligence
Strategic

ML-powered predictions for Act Security's next move

See what Strategic adds

Funding Insights

What this usually means
Typical timeline to Series B
Series A companies typically raise their next round in 10-18 months

Act Security raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

145 of these a day, filtered to the companies you pick, with the decision-maker attached.

5 screens from a live account. No signup.

Fundz is a real-time business intelligence platform powered by agentic AI that proactively delivers personalized daily signals, including funding rounds, executive changes, M&A activity, 13F institutional filings, SEC 8-K events, investor activity, and website modifications, based on each user's watchlist and ICP. A trusted data source at firms such as BlackRock, Oracle, Kleiner Perkins, LinkedIn, HubSpot, and Cloudflare, Fundz democratizes the institutional-grade intelligence that previously required a PitchBook or Bloomberg terminal. Features include Daily Briefing for AI-powered daily briefings, and unified cross-signal alerts across 281,000+ organizations. Developers and data teams can access these signals programmatically via the Fundz Funding Data API, with transparent published pricing.